Ketterer, Manuel Christoph http://orcid.org/0000-0003-0391-6607
Knopke, Steffen
Häußler, Sophia Marie
Hildenbrand, Tanja
Becker, Christoph
Gräbel, Stefan
Olze, Heidi
Article History
Received: 9 May 2018
Accepted: 15 September 2018
First Online: 18 September 2018
Compliance with ethical standards
:
: The authors have no funding, financial relationships or conflicts of interest to declare.